U.S. Speedskating apologized today, after one of its athletes admitted that he tampered with the skates of a competitor.

"I speak for everyone at U.S. Speedskating our staff, athletes and Board of Directors when I say that we are shocked and disappointed by Simon [Cho's] actions," Tamara Castellano, marketing director of U.S. Speedskating, said in a prepared statement. "We would like to apologize to Speedskate Canada and Olivier Jean, as well as all of the Canadian athletes who competed in Warsaw, for the actions of our athlete."